diff options
Diffstat (limited to 'mysql-test/t/join_outer.test')
| -rw-r--r-- | mysql-test/t/join_outer.test | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/mysql-test/t/join_outer.test b/mysql-test/t/join_outer.test index 1a59dbf8fc2..0d75ac97266 100644 --- a/mysql-test/t/join_outer.test +++ b/mysql-test/t/join_outer.test @@ -861,3 +861,27 @@ SELECT * FROM t1 LEFT JOIN t2 ON e<>0 WHERE c=1 AND d<=>NULL; DROP TABLE t1,t2; + +--echo # +--echo # Bug#52357: Assertion failed: join->best_read in greedy_search +--echo # optimizer_search_depth=0 +--echo # +CREATE TABLE t1( a INT ); + +INSERT INTO t1 VALUES (1),(2); +SET optimizer_search_depth = 0; + +--echo # Should not core dump on query preparation +EXPLAIN +SELECT 1 +FROM t1 tt3 LEFT OUTER JOIN t1 tt4 ON 1 + LEFT OUTER JOIN t1 tt5 ON 1 + LEFT OUTER JOIN t1 tt6 ON 1 + LEFT OUTER JOIN t1 tt7 ON 1 + LEFT OUTER JOIN t1 tt8 ON 1 + RIGHT OUTER JOIN t1 tt2 ON 1 + RIGHT OUTER JOIN t1 tt1 ON 1 + STRAIGHT_JOIN t1 tt9 ON 1; + +SET optimizer_search_depth = DEFAULT; +DROP TABLE t1; |